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Author Message
Topic:Data conversion between queue managers
bruce2359

Replies: 5
Views: 43

PostForum:General IBM MQ Support Posted: Wed Jul 17, 2019 7:14 am Subject: Data conversion between queue managers
Tried to change the CCSID of the message to 37 while posting the message but no luck.
The purpose of the MQMD CCSID field is to tell the downstream qmgr and/or app about the app data component. Chan ...
Topic:Data conversion between queue managers
bruce2359

Replies: 5
Views: 43

PostForum:General IBM MQ Support Posted: Wed Jul 17, 2019 3:41 am Subject: Data conversion between queue managers
When you try, what are the results?

Do you mean CONVERT(YES) on the sender channel?

Any errors written to the errors files?
Topic:Client using CCTD file getting 2058
bruce2359

Replies: 9
Views: 86

PostForum:General IBM MQ Support Posted: Mon Jul 15, 2019 8:50 am Subject: Client using CCTD file getting 2058
So, if the real qmgrs are APPQM01, APPQM02, APPQM03, APPQM04, then I should put "APPQM*" in the QmgrName field?
No. Put APPQM in the queue manager name field of the CCDT. Put *APPQM in t ...
Topic:Client using CCTD file getting 2058
bruce2359

Replies: 9
Views: 86

PostForum:General IBM MQ Support Posted: Mon Jul 15, 2019 8:36 am Subject: Client using CCTD file getting 2058
Yes. that symbolic name get resolved to the real qmgrname through the CCTD file, correct?
If the app MQCONNects to '*APPQM' the CCDT table will be searched for any CCDT entry that matches 'APPQM'. ...
Topic:CCDT round robin and GET
bruce2359

Replies: 15
Views: 243

PostForum:General IBM MQ Support Posted: Thu Jul 11, 2019 8:56 am Subject: CCDT round robin and GET
i have upstream QMGR PUT to cluster in a RR DEFBIND(NOTFIXED) to distribute load to Q@QM1 and Q@QM2

Does the app specify BIND option to explicitly override the DEFBIND?
Topic:Performance tuning for Network Latency
bruce2359

Replies: 31
Views: 852

PostForum:IBM MQ Performance Monitoring Posted: Wed Jul 10, 2019 5:14 pm Subject: Performance tuning for Network Latency
We are initially trying to multi-thread our application to read multiple messages concurrently and see how much improvement it brings.
Good luck. You will see some improvement, but not orders of magn ...
Topic:Selectively Prevent Flooding
bruce2359

Replies: 10
Views: 191

PostForum:General Discussion Posted: Wed Jul 10, 2019 5:03 pm Subject: Selectively Prevent Flooding
I support MQ on z/OS and midrange. This "flooding" is quite common where the hugely provisioned mainframe MQ sender channel(s) overwhelms the puny midrange MQ. While I'm sympathetic ...
Topic:Reading logs and replaying messages
bruce2359

Replies: 15
Views: 303

PostForum:Mainframe, CICS, TXSeries Posted: Mon Jul 08, 2019 11:56 am Subject: Reading logs and replaying messages
CSQJU004 is the supplied print log utility. Log replay takes place automatically at qmgr restart to ensure that the qmgr is brought to its last known consistent state.
Topic:Stack space exceeded while using MQGET node
bruce2359

Replies: 11
Views: 411

PostForum:WebSphere Message Broker Support Posted: Sun Jul 07, 2019 3:16 pm Subject: Stack space exceeded while using MQGET node
Moved to Broker forum.
Topic:Performance tuning for Network Latency
bruce2359

Replies: 31
Views: 852

PostForum:IBM MQ Performance Monitoring Posted: Sun Jul 07, 2019 1:52 pm Subject: Performance tuning for Network Latency
A quick reminder of how client-binding differ from server-bindings apps.

For server-bindings apps, MQI calls are shipped cross-memory (within the same o/s instance). Memory speeds are much, much f ...
Topic:Does .Net MQClient use CCDT file?
bruce2359

Replies: 9
Views: 391

PostForum:General IBM MQ Support Posted: Thu Jul 04, 2019 8:25 am Subject: Does .Net MQClient use CCDT file?
IBM's recommended CCDT practice is to create a unique CCDT with only those qmgrs that the client can/will/should connect to, and expose that unique CCDT to only those client platforms that need to do ...
Topic:Performance tuning for Network Latency
bruce2359

Replies: 31
Views: 852

PostForum:IBM MQ Performance Monitoring Posted: Thu Jul 04, 2019 8:19 am Subject: Performance tuning for Network Latency
The DCs in question are located across continents (4600 miles apart) and the ping represents realistic response times, looking at sources in the public domain
Default PING packet size is 32 bytes on ...
Topic:Queue access
bruce2359

Replies: 3
Views: 193

PostForum:IBM MQ Security Posted: Thu Jul 04, 2019 4:37 am Subject: Queue access
They do not need to be in different groups if the queue manager is configured for user-level authorisations.See here:
I agree that security rules can be user-based or group-based.

Rules for 300 ...
Topic:HA queue manager behaviour
bruce2359

Replies: 25
Views: 1327

PostForum:General IBM MQ Support Posted: Wed Jun 26, 2019 9:15 am Subject: HA queue manager behaviour
The MQ product has always offered the opportunity for less than the highest QoS - in the form of non-persistent msgs. QoS is a choice.
Exactly to my point: where is the choice to run at my desired Qo ...
Topic:HA queue manager behaviour
bruce2359

Replies: 25
Views: 1327

PostForum:General IBM MQ Support Posted: Wed Jun 26, 2019 5:07 am Subject: HA queue manager behaviour
The MQ product has always offered the opportunity for less than the highest QoS - in the form of non-persistent msgs. QoS is a choice.

MQs TT and mobile interfaces offer lower QoS solution opport ...
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